1) Which organ removes heat from the body through perspiration? a) kidney b) liver c) lung d) skin 2) What is urine made up of? a) amino acids and proteins b) water, urea and salts c) mucus and blood 3) Structure through which urine is excreted from the body a) urethra b) pancreas c) ureter d) kidney 4) Structure that connects the kidneys to the bladder a) urethra b) pancreas c) ureter d) anus 5) Which organ filters blood and makes urine? a) lungs b) kidneys c) skin d) diaphragm e) bladder 6) Nephrons are located inside your __________. a) lungs b) kidneys c) pancreas d) bladder e) skin 7) Urine is stored in your _______. a) bladder b) kidneys c) nephrons d) pancreas 8) What is the muscle that controls when urine exits the body? a) the diaphragm b) the liver c) the pancreas d) the sphincter

Excretory System

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